I agree that 90$ is not a lot of money. But profits may have to wait several years. And the profit will be proportional to the number of tokens you have and probably it will not be such a big profit if you bought only on $90. In General, different people will evaluate the project and the possibility of buying tokens in different ways.
Cryptocurrency market is very volatility now and it is too much dependent from the market conditions.
Now cryptocurrency market raise and a lot experts predict that it will continue to rise. It mean that the price of many different tokens will raise too.